JP2002147985A - Mounting structure of holder - Google Patents

Mounting structure of holder

Info

Publication number
JP2002147985A
JP2002147985A JP2000343345A JP2000343345A JP2002147985A JP 2002147985 A JP2002147985 A JP 2002147985A JP 2000343345 A JP2000343345 A JP 2000343345A JP 2000343345 A JP2000343345 A JP 2000343345A JP 2002147985 A JP2002147985 A JP 2002147985A
Authority
JP
Japan
Prior art keywords
claw
portions
fan shroud
electric fan
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP2000343345A
Other languages
Japanese (ja)
Other versions
JP4461609B2 (en
JP2002147985A5 (en
Inventor
Yoichi Onishi
陽一 大西
Original Assignee
Toyota Motor Corp
トヨタ自動車株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toyota Motor Corp, トヨタ自動車株式会社 filed Critical Toyota Motor Corp
Priority to JP2000343345A priority Critical patent/JP4461609B2/en
Publication of JP2002147985A publication Critical patent/JP2002147985A/en
Publication of JP2002147985A5 publication Critical patent/JP2002147985A5/ja
Application granted granted Critical
Publication of JP4461609B2 publication Critical patent/JP4461609B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F28F9/002Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core with fastening means for other structures

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure of a plate-like holder which prevents the holder from being unfastened by a force exerted in an unfastening direction thereof. SOLUTION: A mounting structure of a motor-driven fan shroud of a holder for fastening the fan shroud to a radiator comprises lock holes 32 provided on fasteners 31 projecting from the right and left of the fan shroud, and a pair of projecting pieces 35, 35 provided at two spots of the radiator with claws 36, 36 locked to the lock holes 32. The claw 36 in each of projecting pieces 35, 35 is shaped with one end width W1 greater than the other end width W2, and a greater force F for disengaging the claw from the hock hole 32 is exerted on the one end. Upon exertion of the force F on the fan shroud, each claw 36 is not easily unlocked from the lock hole 32 at one end.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a holder mounting structure for fastening a plate-shaped holder to a mating member at a plurality of locations without using bolts, for example, for driving a cooling fan for a radiator mounted on a vehicle. The present invention relates to a holding body mounting structure suitable for fastening an electric fan shroud to which a fan motor is mounted to a radiator at a plurality of locations.

[0002]

2. Description of the Related Art Conventionally, as shown in FIGS. 3 and 4, a cooling fan 21 for a radiator mounted on a vehicle such as an automobile.
It is necessary to fasten the electric fan shroud 23 to which the fan motor 22 for driving the motor is mounted to the radiator 24 at a plurality of places. In order to perform such fastening without using bolts, an attachment structure shown in FIGS. 11 and 12 can be considered.

In this mounting structure, locking holes 25 are formed at a plurality of locations on the electric fan shroud 23A, and engagement portions 26 are provided at a plurality of locations on the radiator 24A. Each engaging portion 26 is composed of a pair of protruding pieces 27 protruding from the outer surface of the radiator 24A. A pair of protruding pieces 2
Each of the walls 7 and 27 has an elastically deformable wall portion 29 facing each other and having a claw portion 28 at the tip.

When assembling and fastening the electric fan shroud 23A to the radiator 24A, the locking holes 25 are brought close to the claw portions 28 of the corresponding pair of projections 27, 27 (see FIG. 12A). When the pair of projecting pieces 27, 27 are inserted into the locking holes 25 by elastically deforming the two wall portions 29, 29 (see the wall portion 29 shown by the solid line in FIG. , 29 are locked by a flat portion 30 around the locking hole 25 as shown in FIG. Thus, the electric fan shroud 23A can be fastened to the radiator 24A without a bolt.

[0005]

However, the above-described mounting structure has the following problems. A heavy fan motor 22 (see FIG. 3) is attached to the center of the electric fan shroud 23A. For this reason,
When an external force by an operator or the like is applied to the electric fan shroud 23A, or the vehicle is decelerated or accelerated, the inertial force due to the weight of the fan motor 22 is reduced.
When acting on A, a force may be generated in the direction of releasing the engagement between each protruding piece 27 and each locking hole 25. At this time, one end of the wall portion 29 of each protruding piece 27 on the side where the force acts more strongly than the other end (force in the direction indicated by the arrow in FIG. 11). Receive. As a result, the two wall portions 29, 29 are locally bent on one end side. Due to such local bending, the claw portions 28 of the respective protruding pieces 27 are moved from one end thereof toward the locking holes 25.
From each other, and as a result, each claw portion 28 may come off from the locking hole 25. Thus, the fastening of the electric fan shroud 23A to the radiator 24A may be released.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to release the fastening of a holding member when a force is applied to the plate-like holding member in the direction of releasing the fastening. An object of the present invention is to provide a mounting structure of a holding body, which prevents the occurrence of the problem.

[0007]

The means for solving the above problems and the operation and effect thereof will be described below. The invention according to claim 1 is a mounting structure of a holder for fastening a plate-shaped holder to a mating member at a plurality of locations without using bolts, and is provided on one of the holding body and the mating member. A plurality of locking portions; and a plurality of engaging portions provided on the other side, wherein the plurality of locking portions are resiliently engaged with and locked by the plurality of locking portions. Is formed in such a shape that the claw portion is not easily detached from the locking portion against a force acting in a direction for releasing the engagement between the claw portion and the locking portion.

According to the present invention, the plurality of engaging portions are formed in such a shape that the claw portions are unlikely to be disengaged from the locking portions against a force acting in a direction for releasing the engagement between the claw portions and the locking portions. Because of the formation, when the force in the direction of releasing the fastening is applied to the plate-shaped holding member, the claw portions of the respective engaging portions do not easily come off from the locking portions. Therefore, when the force acting in the direction to release the fastening acts on the plate-shaped holding body, the fastening of the holding body can be prevented from being released.

According to a second aspect of the present invention, in the mounting structure of the holding body according to the first aspect, each of the plurality of locking portions is a locking hole, and the plurality of engaging portions are opposed to each other and have a tip. A pair of projecting pieces each comprising an elastically deformable wall portion having the claw portion, each engaging portion, the claw portion and the locking portion at a portion where the force acts more strongly Characterized in that it is formed in a shape in which the engagement force of the above or the rigidity of the wall portion at the same portion is larger than that of the other portions.

According to the present invention, when the walls of the pair of projecting pieces of each engaging portion are elastically deformed and resiliently engage with the locking holes, the claws of both the wall portions are locked with the locking holes. It is locked by the surrounding flat part. Thus, the holder is fastened to the mating member without using a bolt.

Each of the engaging portions is formed in such a shape that the engaging force between the claw portion and the engaging portion at the portion where the force acts more strongly or the rigidity of the wall portion at the same portion is larger than other portions. Have been.
For this reason, when the force acts on the holding body, each engaging portion is such that the claw portion does not easily come off from the locking portion at a portion where the force acts more strongly, or a local portion is formed on the wall portion at that portion. Is unlikely to cause mechanical deflection. Accordingly, it is possible to prevent the fastening of the holding member from being released when a force in the direction of releasing the fastening acts on the plate-shaped holding member.

According to a third aspect of the present invention, in the mounting structure of the holding body according to the second aspect, the pair of projecting pieces extend in a horizontal direction, and the force acts more strongly on the claw portions of each projecting piece. The contact surface with the flat portion around the locking hole at one end side is formed to be larger than the contact surface with the flat portion at the other end side.

[0013] According to the present invention, the contact surface of the claw portion of each protruding piece with the flat portion around the locking hole at one end where the force acts more strongly and the flat portion at the other end side. It is formed in a shape that is larger than the contact surface. For this reason, when the above-mentioned force acts on the holding body, the claw portion of each protruding piece does not easily come off the locking hole at one end side. Therefore, even when the projections of each pair extend in the horizontal direction, when the force in the direction of releasing the fastening acts on the plate-shaped holding body, the fastening of the holding body is effectively prevented from being released. Can be prevented.

According to a fourth aspect of the present invention, in the holding body mounting structure according to the second aspect, each of the pair of projecting pieces extends in the vertical direction, and the force of the pair of projecting pieces is adjusted by the two claw portions. The contact surface between the one claw portion on the side that acts more strongly and the flat portion around the locking hole is larger than the contact surface between the other claw portion on the side on which the force acts more weakly and the flat portion. It is characterized in that it is formed in a different shape.

According to the present invention, the contact surface between the one claw on the side on which the force acts more strongly and the flat portion around the locking hole is provided with the two claw portions of each pair of projecting pieces. Is formed in a shape that is larger than the contact surface between the other claw portion on the side that acts weaker and the flat portion. For this reason, when the above-mentioned force acts on the holding body, one of the two claws of the pair of projecting pieces on the side on which the force acts more strongly does not easily come off the locking hole. . Therefore, even when each pair of protruding pieces extends in the vertical direction, it is possible to effectively prevent the fastening of the holding body from being released when a force in the direction of releasing the fastening acts on the plate-shaped holding body. Can be prevented.

According to a fifth aspect of the present invention, in the mounting structure of the holding body according to the second aspect, each of the pair of projecting pieces extends in the horizontal direction, and the wall of each of the pair of projecting pieces exerts more force on the wall. It is characterized in that it is formed in a shape in which the thickness on one end side that acts strongly is larger than the thickness on the other end side.

According to the present invention, the wall of each pair of projecting pieces is
It is formed in such a shape that the thickness at one end where the force acts more strongly is greater than the thickness at the other end. For this reason,
When the force is applied to the holding body, the wall of each pair of projecting pieces is
Local bending is unlikely to occur on one end where the force acts more strongly, and the one end of each claw does not easily come off the locking portion. Therefore, even when the projections of each pair extend in the horizontal direction, when the force in the direction of releasing the fastening acts on the plate-shaped holding body, the fastening of the holding body is effectively prevented from being released. Can be prevented.

According to a sixth aspect of the present invention, in the mounting structure of the holder according to any one of the first to fifth aspects, the counterpart member is a radiator mounted on a vehicle, and the holder is The electric fan shroud is provided with a fan motor for driving the radiator cooling fan.

According to the present invention, when the force acts on the electric fan shroud to which the heavy fan motor is attached, the claw portions of the engaging portions do not easily come off from the engaging portions. Therefore, when a force in the direction to release the fastening is applied to the electric fan shroud, the fastening of the shroud to the radiator can be prevented from being released.

According to a seventh aspect of the present invention, in the holding body mounting structure according to the sixth aspect, the pair of projecting pieces are provided on the radiator side, and the locking hole is provided in the electric fan shroud. It is characterized by being provided on the side.

According to the present invention, in a state where the electric fan shroud is fastened to the radiator, the claw portions of the pair of projecting pieces provided on the radiator project outside from the locking holes provided on the electric fan shroud. . For this reason, when removing the electric fan shroud from the radiator, while pinching both claws of each pair of projections with fingers and elastically deforming both walls,
Both claws can be removed from the locking holes. Therefore, the fastening of the electric fan shroud to the radiator can be easily released, and the work of removing the shroud can be easily performed.

According to an eighth aspect of the present invention, in the mounting structure of the holding body according to the sixth or seventh aspect, a lower end portion of the electric fan shroud is provided with an engagement groove engageable with a pin provided on the radiator side. Are provided in at least one place.

According to the present invention, when the electric fan shroud is fastened to the radiator, the engagement groove formed at the lower end of the shroud is engaged with the pin provided at the radiator. Since each locking hole can be engaged, the engaging operation can be performed with the electric fan shroud in a stable posture. Therefore, the work of assembling the electric fan shroud to the radiator can be easily performed. Further, when the electric fan shroud is detached from the radiator, the engagement groove of the shroud is engaged with the pin of the radiator in a state where the engagement between each engagement portion and each locking portion is released. For this reason, the electric fan shroud does not come off at once from the radiator due to the release of the engagement, and the work of removing the shroud can be performed safely.

[0024]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded perspective view showing a mounting structure of an electric fan shroud mounted on a vehicle such as an automobile.

[First Embodiment] An electric fan shroud mounting structure according to a first embodiment will be described with reference to FIGS.

As shown in FIGS. 3 to 5, a cooling fan 2 for a radiator 24 mounted on a vehicle such as an automobile is provided at the center of an electric fan shroud 23 as a plate-like holding member.
1 is mounted.
In the electric fan shroud 23, fastening portions 31 are provided by being bent at two positions on the left and right at a substantially middle portion in the vertical direction. The left and right fastening portions 31, 31 serve as locking portions,
A rectangular locking hole 32 that is long in the horizontal direction (the horizontal direction in FIG. 3).
Are drilled respectively. In addition, engagement pieces 40 having engagement grooves 33 are provided at two locations on both sides of the lower end of the electric fan shroud 23, respectively.

On the other hand, the radiator 24 is provided with left and right engaging portions 34A, 34B which can be engaged with the left and right locking holes 32, 32 of the electric fan shroud 23, respectively.
As shown in FIGS. 1 and 5, each of the engaging portions 34A and 34B is constituted by a pair of projecting pieces 35 and 35 projecting from the outer surface of the radiator 24 on the shroud side. Each pair of protruding pieces 35, 35 is formed of an elastically deformable wall 37 having a claw 36 at the tip thereof facing each other.

The projecting pieces 35, 35 of the left and right engaging portions 34A, 34B extend in the horizontal direction on the outer surface of the radiator 24 mounted substantially vertically on the vehicle. That is, each protruding piece 35 of the left engaging portion 34A shown in FIG.
The electric fan shroud 2
When it acts on 3, the force generates a force in the direction of releasing the engagement between each pair of projections 35, 35 and each locking hole 32 (this force is referred to as an external force F).

At this time, each projecting piece 3 of the left engaging portion 34A
The one end (right end in FIG. 1) of the wall 37 of the fifth part where the external force F acts more receives a larger force than the other end (left end in FIG. 1). Conversely, one end (FIG. 5) of the wall portion 37 of each protrusion 35 of the right engaging portion 34B, which is a portion where the external force F acts more strongly.
On the left side), a greater force is applied than on the other end (the right end in the figure).

Therefore, the left and right engaging portions 34A and 34B are
Force in the direction of releasing the engagement between each claw portion 36 and the locking portion 32
Each claw portion 36 is formed in such a shape that it is hard to come off from the locking portion 32 with respect to (external force) F. Specifically, in this example, as shown in FIGS. 1 and 2, each protruding piece 35, 35 of the left engaging portion 34 </ b> A is a flat surface around the right end of each claw portion 36 and the locking hole 32. The contact surface with the portion 38 (see FIG. 5) is formed in a shape larger than the contact surface between the left end portion of each claw portion 36 and the flat portion 38. That is, in the left engaging portion 34A,
Each claw portion 36 is formed such that the width (projection length) W1 of the right end thereof is larger than the width W2 of the left end thereof, and the width gradually decreases from the right end to the left end. I have.

On the other hand, each projecting piece 35 of the right engaging portion 34B
As shown in FIG. 5, the contact surface between the left end portion of each claw portion 36 and the flat portion 38 is formed by contacting the right end portion of each claw portion 36 with the flat portion 38.
Is formed in a shape that is larger than the contact surface. That is, in the right engaging portion 34B, each claw portion 36 has a width W1 at the left end portion larger than the width W2 at the right end portion, contrary to each claw portion 36 of the left engaging portion 34A. The width is formed so as to gradually decrease from the left end to the right end.

Further, both wall portions 37 of each protruding piece 35 of the left and right engaging portions 34A and 34B are formed to have the same thickness d1 (see FIG. 2). Accordingly, if the width of the locking hole 32 in the short direction is L, and the distance between the two wall portions 37, 37 when the engaging portions 34A, 34B are engaged with the locking hole 32 is L1,
Each engagement portion 34A, 34B is formed in a shape that satisfies L1> 2W1.

As shown in FIG. 5 and FIG. 6, the radiator 24 has the electric fan shroud 23 on the same outer surface as the left and right engagement portions 34A, 34B and below the engagement portions 34A, 34B. Pins 39, 39 with which the engaging grooves 33, 33 are respectively engaged, and holding portions 42, 42 having holes 41 into which the engaging pieces 40, 40 are respectively inserted are provided. By inserting each engagement piece 40 of the electric fan shroud 23 into the hole 41 of each holding portion 42 of the radiator 24 and engaging each engagement groove 33 with each pin 39, the lower end of the electric fan shroud 23 is Left and right 2 of radiator 24
It is held at a location (see FIG. 3).

In the first embodiment having the above structure, when the electric fan shroud 23 is assembled to the radiator 24 and fastened, first, the engaging pieces 40 of the shroud 23 are connected to the holes of the holding portions 42 of the radiator 24. 41, each engaging groove 33 is engaged with each pin 39. Thereby, the lower end of the electric fan shroud 23 is held by the radiator 24 at two places on the left and right.

Next, the left and right locking holes 32 of the electric fan shroud 23 are connected to the left and right engagement portions 34 of the radiator 24.
A, 34B, each wall 3 of a pair of protruding pieces 35, 35
7 is elastically deformed and inserted into each locking hole 32, each claw portion 36 is locked by a flat portion 38 around each locking hole 32 (see FIGS. 1 and 5). Thus, the electric fan shroud 23
Can be fastened to the radiator 24 without using bolts.

According to the first embodiment described above, the following operation and effect can be obtained. (1) A pair of projecting pieces 35, 35
The width W1 of the right end is equal to the width W2 of the left end.
It is larger and its width gradually decreases from the right end to the left end (see FIGS. 1 and 2). on the other hand,
In the right engaging portion 34B, each claw portion 36 of the pair of projecting pieces 35, 35 has a width W1 at a left end portion larger than a width W2 at a right end portion, and the width goes from the left end portion to the right end portion. It is getting smaller gradually (see FIG. 5).

For this reason, when a force (external force F) in the direction of releasing the fastening is applied to the electric fan shroud 23 as shown in FIG.
Even if a local deflection larger than the left end occurs at the right end of the claw portion 36, the right end of each claw portion 36 is not
Does not come off easily. On the other hand, even in the right engaging portion 34B, even if a local deflection that is larger than the right end of the left end of each wall portion 37 occurs, the left end of each claw portion 36 is moved from the locking hole 32. It does not come off easily. Therefore, when a force is applied to the electric fan shroud 23 in a direction to release the connection with the radiator 24, it is possible to prevent the release of the electric fan shroud 23 from being released.

(2) Since the pair of projections 35, 35 are provided on the radiator 24 side and the locking holes 32 are provided on the electric fan shroud 23 side, the shroud 23 is fastened to the radiator 24. , Each claw portion 3 of a pair of protruding pieces
5 protrudes outside from the locking hole 32 on the shroud 23 side (see FIGS. 1 and 3). Therefore, when removing the electric fan shroud 23 from the radiator 24,
Both claws 36, 36 of each pair of protruding pieces 35, 35 can be easily removed from the locking holes 32 while the wall portions 37, 37 are elastically deformed by fingers. Therefore, the fastening of the electric fan shroud to the radiator can be easily released, and the work of removing the shroud can be easily performed.

(3) Two pins 39, 3 provided on the radiator 24 side are provided at the lower end of the electric fan shroud 23.
Engagement grooves 33, 33 respectively engageable with the groove 9 are provided at two places. Therefore, when the electric fan shroud 23 is fastened to the radiator 24, the left and right engagement portions 34A, 34B are kept in a state where the respective engagement grooves 33 are engaged with the respective pins 39.
And the left and right locking holes 32, 32 can be engaged with each other, and the engagement can be performed with the electric fan shroud 23 in a stable posture. Therefore, the work of assembling the electric fan shroud 23 to the radiator 24 can be easily performed.

(4) When the electric fan shroud 23 is detached from the radiator 24, the engagement between the engagement portions 34A, 34B and the locking holes 32, 32 is released, and The groove 33 is engaged with each pin 39 of the radiator 24. For this reason, the electric fan shroud 23 does not come off from the radiator 24 at once due to the release of the engagement, and the work of removing the shroud 23 can be performed safely.

(5) With the engagement grooves 33, 33 on the electric fan shroud 23 side engaged with the pins 39, 39 on the radiator 24 side, engagement pieces 40, 40 provided on both lower ends of the shroud 23. Are inserted and held in the holes 41 of the holding portions 42 provided on the radiator 24 side. For this reason, the electric fan shroud 23 can be more effectively prevented from coming off the radiator 24 at once by the release of the engagement, and the work of removing the shroud 23 can be performed more safely.

[Second Embodiment] Next, an electric fan shroud mounting structure according to a second embodiment will be described with reference to FIGS.

In this embodiment, each of the right and left fastening portions 31 of the electric fan shroud 23 is provided with a vertically long rectangular locking hole 32a as a locking portion. Further, both engagement portions 34A provided on the radiator 24 side,
The projecting pieces 35a, 35a of each pair of 34B extend in the vertical direction. Then, both claws of each pair of projecting pieces 35a, 35a
The contact surface between one of the claws on the side on which the external force F acts more strongly and the flat part 38 around the locking hole 32 has the other claw and the flat part 38 on the side on which the external force F acts weaker. Is formed in a shape larger than the contact surface.

More specifically, the left engaging portion 34 shown in FIG.
In A, the contact surface between the right claw portion 36a and the flat portion 38 of the two claw portions 36a and 36b is the left claw portion 36b.
Is larger than the contact surface between the contact portion and the flat portion 38. Therefore, the width W3 of the right claw portion 36a is equal to the width of the left claw portion 36b.
Is larger than the width W4. On the other hand, in the right engaging portion 34B (not shown), the contact surface between the left claw portion and the flat portion of the both claw portions is larger than the contact surface between the right claw portion and the flat portion. Has become. Therefore, the width (W3) of the left claw is larger than the width (w4) of the right claw.

If the width of the locking hole 32a in the short direction is L, and the distance between the two wall portions 37, 37 when the engaging portions 34A, 34B are engaged with the locking hole 32 is L2. Each of the engagement portions 34A and 34B is formed in a shape that satisfies L2> W3 + W4. Other configurations in the present embodiment are the same as those in the first embodiment.

According to the second embodiment described above, the following operation and effect can be obtained. (6) In the engagement portion 34A on the left side, the contact surface between the right claw portion 36a and the flat portion 38 of the two claw portions is larger than the contact surface between the left claw portion 36b and the flat portion 38. I have.
In the right engaging portion 34B, which is not shown, the contact surface between the left claw portion and the flat portion of the both claw portions is larger than the contact surface between the right claw portion and the flat portion. Has become.

For this reason, when a force (external force F) in the direction to release the fastening is applied to the electric fan shroud 23 as shown in FIG. 7, the left engaging portion 34A is applied to the right wall portion 37a. Even if a local deflection larger than that of the left wall portion 37 b occurs, the right claw portion 36 a does not easily come off the locking hole 32. Similarly, the left engaging portion 34
Even in the case of B, even if a local deflection larger than the right side occurs on the left side of both wall portions, the claw portion on the left side does not easily come off from the locking hole 32. Therefore, even when the pair of projecting pieces on both sides of the radiator 24 extend in the vertical direction, when a force (external force F) in a direction to release the fastening is applied to the electric fan shroud 23, the shroud 23 The release of the fastening can be effectively prevented.

[Third Embodiment] Next, an electric fan shroud mounting structure according to a third embodiment will be described with reference to FIGS.
It will be described based on.

In this embodiment, the left and right engagement portions 34A,
The protrusions 35b of the engagement portion 34B (only the left engagement portion 34A is shown in FIG. 9) are similar to the first embodiment, and the radiator 24 is mounted in a substantially vertical posture in the vehicle.
Extends horizontally on the outer surface of the.

The two walls 37c, 37c of each pair of projections 35b provided on both sides of the radiator 24 are connected to one end (the left engaging portion 34) where the external force F acts more strongly.
The thickness at the right end side in A and the left end side in the right engaging portion 34B) is larger than the thickness at the other end side. Therefore, in the engagement portion 34A on the left side, both wall portions 37
The thickness d2 on the right end side of c and 37c is the thickness d3 on the left end side thereof.
Is bigger than. Similarly, the right engagement portion 34B
In the example, the thickness (d2) on the left end side of both wall portions is larger than the thickness (d3) on the right end side.

The left engaging portion 34A is connected to the two wall portions 37.
Assuming that the interval on the right end side between c and 37c is L3, L3> 2W
5 is formed. Similarly, as for the right engaging portion 34B, assuming that the distance between the left ends of both the wall portions is L3.
It is formed in a shape that satisfies L3> 2W5. Other configurations in the present embodiment are the same as those in the first embodiment.

According to the third embodiment described above, the following operation and effect can be obtained. (7) In the left engaging portion 34A, both wall portions 37c, 37c
The thickness d2 on the right end side is larger than the thickness d3 on the left end side, and in the right engaging portion 34B, the thickness (d2) on the left end side of both walls is the thickness on the right end side ( It is larger than d3). For this reason, the electric fan shroud 23
When the external force F acts on the pair, the projecting pieces 35b, 35
The two wall portions 37c, 37c of b are less likely to cause local deflection on one end side where the external force F acts more strongly (right end side on the left engaging portion 34A, left end side on the right engaging portion 34B), One end of each claw portion 35 b does not easily come off from the locking hole 32. Therefore, even when each pair of projecting pieces 35b, 35 extend in the horizontal direction, the electric fan shroud 23
When the force in the direction to release the fastening is applied to the electric fan shroud 23, the fastening of the electric fan shroud 23 can be effectively prevented from being released.

[Modifications] The embodiments of the present invention have been described above. However, each embodiment can be implemented by changing its configuration as described below.

In the above embodiments, examples are shown in which the mounting structure of the holder according to the present invention is applied to the mounting structure of an electric fan shroud mounted on a vehicle such as an automobile.
INDUSTRIAL APPLICABILITY The present invention is widely applicable to a holder mounting structure for fastening a plate-shaped holder to which a heavy component or the like is mounted to a counterpart member.

In the above embodiments, each of the engagement portions 34A,
34B to the radiator 24 side, each locking hole 32 or 32
Although a is provided on the electric fan shroud 23 side, each engaging portion may be provided on the electric fan shroud 23 side, and each locking hole may be provided on the radiator 24 side.

In the above embodiments, the engaging portions 34A, 3A
4B are provided at two places on the radiator 24 side, and the locking holes 32 are provided at two places on the electric fan shroud 23 side.
The number of the engaging portions and the number of the locking holes may be three or more.

In each of the above embodiments, the engaging piece 40 is provided at the lower end of the electric fan shroud
Are provided at two places of the radiator 24, respectively, but the number of the engagement pieces 40 and the holding portions 42 may be one or three or more, respectively.

In each of the above embodiments, the electric fan shroud 23 having the fastening portions 31 on the left and right is replaced with the electric fan shroud 23 shown in FIG.
1 is a box-shaped fastening portion 3 having a locking hole 25 formed therein.
You may use the electric fan shroud 23A which has 1 on either side.

For the engagement portions 34A and 34B of the first and second embodiments shown in FIGS. 1 and 7, respectively, the shape of the portion excluding the claw portion 36 is changed to the engagement portion 26 shown in FIG. A similar shape may be used.

For the engaging portions 34A and 34B of the third embodiment shown in FIG. 9, the shape of the portion other than the wall portion 37c may be the same as the shape of the engaging portion 26 shown in FIG. . In the second embodiment, the widths of the claws 36a and 36b are set to be the same, and the thickness of the wall 37a on the side on which the external force F acts more strongly is set to the other wall 37b.
May be greater than the thickness of Thereby, the wall 37
Since the rigidity of “a” is greater than that of the wall portion 37b, local deflection is less likely to occur in the wall portion 37a when the external force F acts.

In the first embodiment, each claw portion 36 is
Although the width is formed so as to gradually decrease from the width W1 on one end side to the width w2 on the other end side, the present invention is not limited to such a configuration. For example, the width of one end of each claw portion 36 may be larger than the width of other portions. In addition, each claw 3
The present invention is not limited to the case where the width of the line 6 is linearly reduced from one end to the other end, but is also applicable to the case where the width is discontinuously or curvedly reduced.

In each of the above embodiments, each locking hole 32
Or, instead of 32a, a pair of projections 35, 35 or 3
A locking claw or a locking groove composed of a plurality of locking pieces for locking each of the claw portions 36 or 36a and 36b of the 5a and 35b may be provided as a locking portion.

Hereinafter, the technical ideas that can be grasped from the above embodiments will be described. (B) An electric fan shroud mounting structure for fastening an electric fan shroud, to which a fan motor for driving a radiator cooling fan mounted on a vehicle is mounted, to a radiator at a plurality of locations without using bolts, A plurality of locking portions provided on one of the electric fan shroud and the radiator, and a plurality of locking portions provided on the other side, wherein the claw portions are elastically engaged with the plurality of locking portions and locked. An engagement portion, wherein the plurality of engagement portions are formed into a shape in which the claw portion is not easily disengaged from the engagement portion with respect to a force in a direction for releasing the engagement between the claw portion and the engagement portion. An electric fan shroud mounting structure characterized by being formed.

(B) In the electric fan shroud mounting structure according to the above (a), the plurality of locking portions are locking holes, respectively, and the plurality of engaging portions are opposed to each other and the claw is provided at a tip thereof. A pair of projecting pieces each constituted by an elastically deformable wall having a portion, wherein each engaging portion is provided with an engaging force between the claw portion and the engaging portion at a portion where the force acts more strongly. Alternatively, the electric fan shroud mounting structure is formed so that the rigidity of the wall portion at the same portion is larger than that of the other portions.

(C) In the electric fan shroud mounting structure described in (b) above, each of the pair of projecting pieces extends in the horizontal direction, and the claw portion of each projecting piece is moved to one end side where the force acts more strongly. A contact surface with the flat portion around the locking hole is formed so as to be larger than a contact surface with the flat portion on the other end side.

(D) In the electric fan shroud mounting structure described in the above (b), the projecting pieces of each pair extend in the vertical direction, and the force acts more strongly on both claw portions of the projecting pieces of each pair. The contact surface between the one claw portion on the side to be engaged and the flat portion around the locking hole is formed in a shape larger than the contact surface between the other claw portion on the side on which the force acts more weakly and the flat portion. An electric fan shroud mounting structure, characterized in that:

(E) In the electric fan shroud mounting structure according to (B), the pair of projecting pieces extend in the horizontal direction, and the force acts more strongly on both walls of each pair of projecting pieces. An electric fan shroud mounting structure characterized in that the thickness at one end is larger than the thickness at the other end.

(F) In the electric fan shroud mounting structure according to any one of (b) to (e),
The pair of protrusions are provided on the radiator side,
Also, the mounting hole of the electric fan shroud is characterized in that the locking hole is provided on the electric fan shroud side.

(G) In the electric fan shroud mounting structure according to (e) or (f), an engagement groove engageable with a pin provided on the radiator side is formed at a lower end of the electric fan shroud. An electric fan shroud mounting structure, which is provided at at least one place.

[Brief description of the drawings]

FIG. 1 is a diagram showing a mounting structure of an electric fan shroud according to a first embodiment, and is a perspective view showing a portion B in FIG. 4;

FIG. 2 is a plan view of a portion shown in FIG.

FIG. 3 is a front view showing the entire mounting structure of the electric fan shroud according to the first embodiment.

FIG. 4 is a sectional view taken along the line AA in FIG. 3;

FIG. 5 is a front view showing the electric fan shroud and the radiator whose fastening has been released in the first embodiment.

FIG. 6 is an enlarged view showing an engagement state between a lower end portion of the electric fan shroud and a radiator in the first embodiment.

FIG. 7 is a view showing an attachment structure according to a second embodiment, and is a plan view similar to FIG. 2;

8 is a longitudinal sectional view of FIG.

FIG. 9 is a plan view similar to FIG. 2, showing a mounting structure according to a third embodiment.

FIG. 10 is a perspective view showing one protrusion in the third embodiment.

FIG. 11 is a perspective view showing a mounting structure of an electric fan shroud according to a conventional example.

FIG. 12 is an explanatory view showing a procedure for assembling the electric fan shroud in the attachment structure of FIG. 11;

[Explanation of symbols]

23: electric fan shroud, 24: radiator 24,
31: fastening portion, 32, 32a: locking hole, 34A, 34B
... engaging portions, 35, 35a, 35b ... projecting pieces, 36, 36
a, 36b, 36c ... claw portions, 37, 37a, 37b, 3
7c: wall portion, 38: flat portion.

Claims (8)

[Claims]
1. A mounting structure for a holding body for fastening a plate-shaped holding body to a mating member at a plurality of locations without using bolts, wherein a plurality of engaging members provided on one of the holding body and the mating member are provided. A stop portion, and a plurality of engaging portions provided on the other side, wherein the plurality of engaging portions are resiliently engaged with the plurality of engaging portions to be locked, and the plurality of engaging portions are A mounting structure for a holding body, characterized in that the claw portion is formed in a shape that is unlikely to come off from the locking portion with respect to a force acting in a direction for releasing the engagement between the claw portion and the locking portion.
2. The plurality of locking portions are locking holes, respectively, and the plurality of engaging portions are each formed of a pair of elastically deformable wall portions facing each other and having the claw portions at the tips. Each of the engaging portions includes a projecting piece, and the engaging force between the claw portion and the locking portion at a portion where the force acts more strongly or the rigidity of the wall portion at the same portion is higher than other portions. The mounting structure for a holder according to claim 1, wherein the holding member is formed in a shape having a large size.
3. The pair of projecting pieces extend in the horizontal direction, and the claw portion of each projecting piece has a contact surface with a flat portion around the locking hole at one end where the force acts more strongly. The holder mounting structure according to claim 2, wherein the holding member is formed in a shape larger than a contact surface with the flat portion on the other end side.
4. The pair of projecting pieces extend in the vertical direction, and the pair of projecting pieces are provided with a pair of claw portions on one side on which the force acts more strongly and a flat surface around the locking hole. 3. The holding body according to claim 2, wherein a contact surface with the portion is formed to be larger than a contact surface between the other claw portion on the side on which the force acts more weakly and the flat portion. 4. Mounting structure.
5. The pair of projecting pieces extend in the horizontal direction, and the wall of each pair of projecting pieces is shaped so that the thickness at one end where the force acts more strongly is greater than the thickness at the other end. The mounting structure of the holder according to claim 2, wherein the mounting structure is formed.
6. A radiator mounted on a vehicle, and the holding member is an electric fan shroud to which a fan motor for driving a cooling fan for the radiator is attached. Claim 1
6. The mounting structure of the holding body according to any one of claims 5.
7. The holder according to claim 6, wherein the pair of projections are provided on the radiator side, and the locking holes are provided on the electric fan shroud side. Mounting structure.
8. The electric fan shroud according to claim 6, wherein a lower end portion of the electric fan shroud is provided with at least one engaging groove which can be engaged with a pin provided on the radiator side. Mounting structure of the holder.
JP2000343345A 2000-11-10 2000-11-10 Electric fan shroud mounting structure Active JP4461609B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2000343345A JP4461609B2 (en) 2000-11-10 2000-11-10 Electric fan shroud mounting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000343345A JP4461609B2 (en) 2000-11-10 2000-11-10 Electric fan shroud mounting structure

Publications (3)

Publication Number Publication Date
JP2002147985A true JP2002147985A (en) 2002-05-22
JP2002147985A5 JP2002147985A5 (en) 2007-11-22
JP4461609B2 JP4461609B2 (en) 2010-05-12

Family

ID=18817726

Family Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2861440A1 (en) * 2003-10-23 2005-04-29 Denso Corp Ventilator fixing structure for use in vehicle, has fairing via which ventilator is fixed to heat exchanger, where exchanger or fairing is bent to be put back in form when mesh and hole portions are held together
US7007744B2 (en) * 2003-02-21 2006-03-07 Modine Manufacturing Company Mount for fan shroud on heat exchanger
JP2006236764A (en) * 2005-02-24 2006-09-07 Yuhshin Co Ltd Assembling structure of switch
JP2012180751A (en) * 2011-02-28 2012-09-20 Denso Corp Fastening device of engine cooling module
CN103184919A (en) * 2011-12-29 2013-07-03 罗伯特·博世有限公司 Radiator frame for a cooling module, and cooling module or cooling device for an internal combustion engine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7007744B2 (en) * 2003-02-21 2006-03-07 Modine Manufacturing Company Mount for fan shroud on heat exchanger
FR2861440A1 (en) * 2003-10-23 2005-04-29 Denso Corp Ventilator fixing structure for use in vehicle, has fairing via which ventilator is fixed to heat exchanger, where exchanger or fairing is bent to be put back in form when mesh and hole portions are held together
JP2006236764A (en) * 2005-02-24 2006-09-07 Yuhshin Co Ltd Assembling structure of switch
JP4578271B2 (en) * 2005-02-24 2010-11-10 株式会社ユーシン Switch assembly structure
JP2012180751A (en) * 2011-02-28 2012-09-20 Denso Corp Fastening device of engine cooling module
CN103184919A (en) * 2011-12-29 2013-07-03 罗伯特·博世有限公司 Radiator frame for a cooling module, and cooling module or cooling device for an internal combustion engine

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